Home / 766,008.40-1,149,012.60-205,042.90

Finding the Fourth Proportional to 766,008.40, 1,149,012.60 and 205,042.90

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Solution

The fourth proportional to 766,008.40, 1,149,012.60 and 205,042.90 is: 307,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,008.40 : 1,149,012.60 = 205,042.90 : x
  2. Step 2: Convert to fraction form
    766,008.40/1,149,012.60 = 205,042.90/x
  3. Step 3: Cross multiply
    766,008.40x = 1,149,012.60 × 205,042.90
  4. Step 4: Simplify right side
    766,008.40x = 235,596,875,640.54
  5. Step 5: Solve for x
    x = 235,596,875,640.54/766,008.40
  6. Step 6: Final answer
    x = 307,564.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.